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Three genera in the Ceratocystidaceae are the respective symbionts of three independent lineages of ambrosia beetles with large, complex mycangia.
Results support the hypothesis that each ambrosia beetle species with large, complex mycangia carries its own fungal symbiont, and suggest that these three fungal genera within the Ceratocystidaceae independently adapted to symbiosis with the three respective beetle tribes. Expand
Strain-specific detection of introduced Beauveria bassiana in agricultural fields by use of sequence-characterized amplified region markers.
- L. Castrillo, J. Vandenberg, S. Wraight
- Biology, Medicine
- Journal of invertebrate pathology
- 1 February 2003
Strain-specific molecular markers based on polymerase chain reaction amplification of sequence-characterized amplified regions (SCAR) in combination with dilution plating on semi-selective medium to detect and estimate density of propagules of a commercial strain of B. bassiana (strain GHA) in field samples are developed. Expand
Fidelity Among Sirex Woodwasps and Their Fungal Symbionts
- A. Hajek, C. Nielsen, R. Kepler, S. J. Long, L. Castrillo
- Medicine, Biology
- Microbial Ecology
- 27 March 2013
It is reported that associations between mutualistic fungi and their economically and ecologically important woodwasp hosts are not always specific as was previously assumed, and the hypothesis of strict species-specific relationships is refuted. Expand
Characterization of Beauveria bassiana (Ascomycota: Hypocreales) isolates associated with Agrilus planipennis (Coleoptera: Buprestidae) populations in Michigan
Data demonstrate that indigenous strains of B. bassiana have potential for use as control agents against EAB and suggest that fungal inocula applied to ash trunks may prove viable for controlling EAB in the field. Expand
Virulence of commercial strains of Beauveria bassiana and Metarhizium brunneum (Ascomycota: Hypocreales) against adult Xylosandrus germanus (Coleoptera: Curculionidae) and impact on brood
The data show that the impact of inoculating adult females extends beyond their own survival and suggest that infection of offspring could also significantly affect beetle populations in the field. Expand
Vegetative compatibility groups in indigenous and mass-released strains of the entomopathogenic fungus Beauveria bassiana: likelihood of recombination in the field.
The large number of VCGs observed and the low frequency of in vivo recombination limited to vegetatively compatible strains indicate that this self/non-self recognition system may be an effective barrier preventing genetic exchange between dissimilar strains in the field. Expand
Quantitative detection of Beauveria bassiana GHA (Ascomycota: Hypocreales), a potential microbial control agent of the emerald ash borer, by use of real-time PCR.
A real-time PCR assay to detect and quantify B. bassiana strain GHA, the active ingredient in the mycoinsecticide utilized in the field studies, and a DNA extraction method to maximize accuracy of quantification from environmental samples. Expand
Genetic variation in Beauveria bassiana populations associated with the darkling beetle, Alphitobius diaperinus.
Assessment of genetic variation within and among populations of Beauveria bassiana associated with the darkling beetle, Alphitobius diaperinus, using RAPD markers found variation present within populations was evident not only in the separation of each strain as a distinct multiband phenotype but also in the separates of strains within a population into separate clusters. Expand
Granulate ambrosia beetle, Xylosandrus crassiusculus (Coleoptera: Curculionidae), survival and brood production following exposure to entomopathogenic and mycoparasitic fungi
Results show the potential of entomopathogenic or mycoparasitic fungi in controlling X. crassiusculus, either directly by killing adult females and preventing or reducing brood production or indirectly by suppressing growth or establishment of their fungal symbiont in galleries. Expand
Brood Production by Xylosandrus germanus (Coleoptera: Curculionidae) and Growth of Its Fungal Symbiont on Artificial Diet Based on Sawdust of Different Tree Species
Comparison of progeny production on sawdust-based diet with symbiont growth in vitro suggests that variables other than speed of symbionT growth may be more critical in optimizing brood production. Expand